Grade 4 - Pulleys and Gears Part 1
Informal resource video for elementary science teachers based on the Ontario science curriculum unit about pulleys and gears - Grade 4
Grade 4 - Pulleys and Gears Part 2
Informal resource video for elementary science teachers based on the Ontario science curriculum unit about pulleys and gears - Grade 4
Grade 4 Rube Goldberg
Magnets hit dominos (levers) hit ball on inclined plan hits paddle (lever) hits ball hits dominos (levers) hits ball on inclined plane which hits ...
NXT Fish Feeder
to the fish tank. Works on a 4-hour countdown. Ethan Bass demonstrated 4 simple machines for his 3rd grade class: gears, pulleys, levers, and an ...
132389/1969 Chevy Camaro RS/SS 396 Convertible
solid lifter cars and the alternator uses a larger-diameter pulley similar to those on the Z/28s for high-RPM use. Living behind the big block you ...